Crudely

The crudely constructed bridge swayed in the wind and was unstable.

The engineer crudely designed the bridge, resulting in structural issues.

The mechanic crudely repaired the engine, causing more problems than it solved.

The athlete crudely tackled the opponent, resulting in a penalty.

He crudely drew a map for his friend, leading him to get lost on the way.

He crudely assembled the machine, resulting in a malfunctioning product.

The mechanic crudely fixed the problem with duct tape instead of using proper tools.

The athlete crudely insulted their opponent before the match.